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[Scott Holtzman]

Let's slow down.  Is it possible to get a computer cable down to the location of the remote speakers?  If so you can easily send the audio to speakers with amplifiers built in.

They will cost less money and be much more reliable.  The laws have changed on systems using the broadcast band and products are not made in that category.

A company called Alton makes some economical powered speakers with wireless.  I think your budget  may be a bit low for those.  The transmitter is 250 and the 12 inch speakers with wireless are 400 each.

Sent from my SM-N910V using Tapatalk

[Keith Broughton]

If the FM transmitter is still working OK, you could pick up some cheap portable sound systems (boom box) with FM radios.
As stated earlier, with the change in laws regaring FM broadcast, you may have a hard time finding an FM system.
Seems like Bluetooth is pretty common.

[Hiawatha Bray]

If the FM transmitter is still working OK, you could pick up some cheap portable sound systems (boom box) with FM radios.
As stated earlier, with the change in laws regaring FM broadcast, you may have a hard time finding an FM system.
Seems like Bluetooth is pretty common.

So the old ones we had are now illegal?  They don't make them any more?  And what change in law are we talking about here?

Thanks.

[Jonathan Johnson]

It's not the received power; rather it's the field strength of the signal at 3 meters (that power density present at an antenna at 3 meters from the transmit antenna). Specifically CFR47 Part 15.239(b) "The field strength of any emissions within the permitted 200 kHz band shall not exceed 250 microvolts/meter at 3 meters" (average detector). Transmitter power is never irrelevant.

And the transmitter must have FCC certification.

Thanks, Henry! I know I can always count on you for a correct answer when it comes to RF.

[Henry Cohen]

. . . with the change in laws regaring FM broadcast, you may have a hard time finding an FM system.

Exactly what laws are you referring to?

[Pete Erskine]

I've been asked to purchase some new remote speakers for my church.  The old ones have worn out.  They were designed to receive an FM signal and connected to a transmitter in the rear of the sanctuary.  We want to put the speakers in various rooms downstairs, where they'll be up to 100 feet from the transmitter, with a wooden floor and some walls separating them.  We need to purchase a new transmitter and three speakers for this purpose, and I don't know what to buy.  Can anybody here help me?  Thanks.

These are wireless WIFI streaming speakers.   SONOS

[Keith Broughton]

Exactly what laws are you referring to?

Is there not a regulation that prohibits broadcasting on FM (88-108) radio frequencies?
Or is it allowed but at a maximum power?

[Hiawatha Bray]

These are wireless WIFI streaming speakers.   SONOS

Hmmm...didn't think of Wi-Fi.  That'd still be a problem, but perhaps a workable one.  Can you network Sonos speakers and hook them up to the church audio system? 

Thanks!

[David Buckley]

They don't make them any more?

Earlier on I was going to post a link to exactly what the OP wanted, a self contained speaker box with a receiver, and a transmitter, intended for exactly this application, but they are no longer listed by the manufacturer, so perhaps this entire class of product has gone the way of the dodo?

[Henry Cohen]

Is there not a regulation that prohibits broadcasting on FM (88-108) radio frequencies?
Or is it allowed but at a maximum power?

Unlicensed operations in the FM broadcast band is permitted (and has been for decades) but at very limited power limits (see my post about half-way up on Aug 27th). See Part 15.239.

[ProSoundWeb Community]